88 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			Go
		
	
	
	
/*
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 * Copyright 2025 coze-dev Authors
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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package knowledge
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import (
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	"context"
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	"errors"
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	"github.com/coze-dev/coze-studio/backend/domain/workflow/crossdomain/knowledge"
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	"github.com/coze-dev/coze-studio/backend/pkg/lang/slices"
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)
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const outputList = "outputList"
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type RetrieveConfig struct {
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	KnowledgeIDs      []int64
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	RetrievalStrategy *knowledge.RetrievalStrategy
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	Retriever         knowledge.KnowledgeOperator
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}
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type KnowledgeRetrieve struct {
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	config *RetrieveConfig
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}
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func NewKnowledgeRetrieve(_ context.Context, cfg *RetrieveConfig) (*KnowledgeRetrieve, error) {
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	if cfg == nil {
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		return nil, errors.New("cfg is required")
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	}
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	if cfg.Retriever == nil {
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		return nil, errors.New("retriever is required")
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	}
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	if len(cfg.KnowledgeIDs) == 0 {
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		return nil, errors.New("knowledgeI ids is required")
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	}
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	if cfg.RetrievalStrategy == nil {
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		return nil, errors.New("retrieval strategy is required")
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	}
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	return &KnowledgeRetrieve{
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		config: cfg,
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	}, nil
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}
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func (kr *KnowledgeRetrieve) Retrieve(ctx context.Context, input map[string]any) (map[string]any, error) {
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	query, ok := input["Query"].(string)
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	if !ok {
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		return nil, errors.New("capital query key is required")
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	}
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	req := &knowledge.RetrieveRequest{
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		Query:             query,
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		KnowledgeIDs:      kr.config.KnowledgeIDs,
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		RetrievalStrategy: kr.config.RetrievalStrategy,
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	}
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	response, err := kr.config.Retriever.Retrieve(ctx, req)
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	if err != nil {
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		return nil, err
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	}
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	result := make(map[string]any)
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	result[outputList] = slices.Transform(response.Slices, func(m *knowledge.Slice) any {
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		return map[string]any{
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			"documentId": m.DocumentID,
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			"output":     m.Output,
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		}
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	})
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	return result, nil
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}
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